Shimano RD-RX-817 Di2 - 1 x 11 Speeds - Gravel

Product Description

With an integrated chain stabilization mechanism, the SHIMANO GRX trimmer offers quieter experience, as well as safety and precision of shifting on mixed terrain. For outputs on smooth surfaces, the scaler is equipped with an ON / OFF switch for the chain tensioner. The RD-RX817 DI2 rear derailleur offers the SHIMANO Synchro-Shift, and is compatible with road cassettes with a large pinion of up to 42 teeth. .Details: The chairlift stabilizer provides the snap and jumps of the chain. Activation / deactivation of the stabilization switch according to the terrain Clutch tension adapted to Gravel practice Silent and uninterrupted rear speed change on accident terrain Smooth and reliable shifting on various surfaces Compatible with current DUAL CONTROL levers Small sprocket: Max. 11dts / Min. 11dts min. Large sprocket: Max. 42dts / Min. 40dts Total capacity: 31 dts Weight: 318 g